When the USB is plugged in, the Smart Chip senses the connected device and sends it the most power to charge as fast as possible.

Once your device is fully charged (100%), the Extō USB port shuts off to protect the battery from overcharge (a primary cause for battery life reduction). This preserves battery capacity and extends device life.

The Extō USB We've created the strongest, fastest-charging USB available on the market combining modern technology and classic design using materials and technologies that improve safety. The Extō USB charges devices...